APA (7th ed.) Citation

Salvosa, L. R., & Pearson, K. (1930). Generalizations of the normal curve of error. Edwards Bros.

Chicago Style (17th ed.) Citation

Salvosa, Luis Rada, and Karl Pearson. Generalizations of the Normal Curve of Error. Ann Arbor, Mich: Edwards Bros, 1930.

MLA (9th ed.) Citation

Salvosa, Luis Rada, and Karl Pearson. Generalizations of the Normal Curve of Error. Edwards Bros, 1930.